Detachable Hood The adjustable removable hood provides added warmth and act as a safeguard against cold wind and rain to keep your head and ears cozy and dry. Chin Guard We added one strip of soft tricot chin guard at the top of front zip to help protect your chin from scratching. YKK Zipper We used YKK zippers to escort your outdoor hiking Back Venting Mesh System The venting design with mesh pannel under the shell on top back will enhance the breathbility performance during your outdoor activities. It help keep you keep dry and comfortness.